站长使用WordPress进行网站建设经常受到垃圾评论的滋扰，下面的代码可能对你有所帮助。

将以下代码粘贴到你的主题functions.php模板中。

任何包含在$ bad_comment_content数组内的字符，将会被自动拒绝留言。

function in_comment_post_like($string, $array) {       foreach($array as $ref) { if(strstr($string, $ref)) { return true; } }       return false;  }  function drop_bad_comments() {      if (!empty($_POST['comment'])) {          $post_comment_content = $_POST['comment'];          $lower_case_comment = strtolower($_POST['comment']);          $bad_comment_content = array(              'viagra',               'hydrocodone',              'hair loss',              'xanax',              'tramadol',              'russian girls',              'russian brides',              'lorazepam',              'adderall',              'dexadrine',              'no prescription',              'oxycontin',              'without a prescription',              'sex pics',              'family incest',              'online casinos',              'online dating',              'cialis',              'best forex',              'amoxicillin'          );          if (in_comment_post_like($lower_case_comment, $bad_comment_content)) {              $comment_box_text = wordwrap(trim($post_comment_content), 80, "n  ", true);              $txtdrop = fopen('/var/log/httpd/wp_post-logger/nullamatix.com-text-area_dropped.txt', 'a');              fwrite($txtdrop, "  --------------n  [COMMENT] = " . $post_comment_content . "n  --------------n");              fwrite($txtdrop, "  [SOURCE_IP] = " . $_SERVER['REMOTE_ADDR'] . " @ " . date("F j, Y, g:i a") . "n");              fwrite($txtdrop, "  [USERAGENT] = " . $_SERVER['HTTP_USER_AGENT'] . "n");              fwrite($txtdrop, "  [REFERER  ] = " . $_SERVER['HTTP_REFERER'] . "n");              fwrite($txtdrop, "  [FILE_NAME] = " . $_SERVER['SCRIPT_NAME'] . " - [REQ_URI] = " . $_SERVER['REQUEST_URI'] . "n");              fwrite($txtdrop, '--------------**********------------------'."n");              header("HTTP/1.1 406 Not Acceptable");              header("Status: 406 Not Acceptable");              header("Connection: Close");              wp_die( __('bang bang.') );          }      }  }  add_action('init', 'drop_bad_comments');